Simple Feedback Trainer

SFT (Simple Feedback Trainer) is an application designed to simulate the process of 'ringing out' a sound system and train the user to recognise frequencies by ear. It was designed after a discussion about the topic on alt.audio.pro.live-sound.

Thanks

Thanks to the readers of alt.audio.pro.live-sound and the LAB for comments and support, and to David J Taylor who wrote the original code used in the tone generator. Thanks also to ajv for early testing.